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https://issues.apache.org/jira/browse/HADOOP-19079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17835744#comment-17835744
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ASF GitHub Bot commented on HADOOP-19079:
-----------------------------------------
steveloughran commented on code in PR #6557:
URL: https://github.com/apache/hadoop/pull/6557#discussion_r1559479255
##########
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/LambdaTestUtils.java:
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@@ -823,6 +922,19 @@ public static <E extends Throwable> E verifyCause(
}
}
+ private static String toString(Collection<String> strings) {
Review Comment:
java8 has a couple of ways to do this; StringJoiner or Collections:
https://www.baeldung.com/java-list-comma-separated-string
> check that class that is loaded is really an exception
> ------------------------------------------------------
>
> Key: HADOOP-19079
> URL: https://issues.apache.org/jira/browse/HADOOP-19079
> Project: Hadoop Common
> Issue Type: Task
> Components: common, security
> Reporter: PJ Fanning
> Priority: Major
> Labels: pull-request-available
>
> It can be dangerous taking class names as inputs from HTTP messages even if
> we control the source. Issue is in HttpExceptionUtils in hadoop-common
> (validateResponse method).
> I can provide a PR that will highlight the issue.
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